/* ============================================================
   TechTorq — "Operations Manual"
   Design system: drafting paper + ink, hairline grid,
   industrial grotesque display, technical monospace data.
   ============================================================ */

:root {
    /* Surfaces */
    --ink:        #0C0D0F;
    --ink-2:      #15171B;
    --ink-3:      #1D2026;
    --paper:      #E6E7E2;
    --paper-2:    #F1F2ED;
    --paper-3:    #D9DAD4;

    /* Text */
    --on-ink:       #F4F5F1;
    --on-ink-dim:   #9DA1A5;
    --on-ink-faint: #63676B;
    --on-paper:       #0C0D0F;
    --on-paper-dim:   #54585B;
    --on-paper-faint: #8C908F;

    /* Signal — one accent, used sparingly */
    --signal:      #1E36F0;
    --signal-ink:  #6B79FF;
    --live:        #12894E;

    /* Rules */
    --rule-paper:        rgba(12,13,15,0.16);
    --rule-paper-soft:   rgba(12,13,15,0.09);
    --rule-ink:          rgba(244,245,241,0.16);
    --rule-ink-soft:     rgba(244,245,241,0.08);

    /* Type */
    --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
    --body:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono:    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

    /* Layout */
    --pad:       clamp(72px, 9vw, 128px);
    --max:       1280px;
    --gutter:    clamp(20px, 4vw, 48px);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--body);
    background: var(--paper);
    color: var(--on-paper);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    font-feature-settings: 'kern' 1;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--signal); color: #fff; }

:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
}

/* ============================================================
   Type scale
   ============================================================ */
.display {
    font-family: var(--display);
    font-variation-settings: 'wdth' 112, 'wght' 700;
    font-weight: 700;
    line-height: 0.94;
    letter-spacing: -0.035em;
    text-wrap: balance;
}
.d-xl { font-size: clamp(44px, 8.2vw, 106px); }
.d-lg { font-size: clamp(34px, 5.4vw, 66px); }
.d-md { font-size: clamp(26px, 3.4vw, 42px); }
.d-sm {
    font-family: var(--display);
    font-variation-settings: 'wdth' 108, 'wght' 700;
    font-size: clamp(19px, 2vw, 23px);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--on-paper-faint);
    display: flex;
    align-items: center;
    gap: 10px;
}
.eyebrow::before {
    content: '';
    width: 22px;
    height: 1px;
    background: currentColor;
    flex: none;
}
.sec--ink .eyebrow, .hero .eyebrow, .cta .eyebrow, .phead .eyebrow { color: var(--on-ink-faint); }

.lede {
    font-size: clamp(16px, 1.5vw, 19px);
    line-height: 1.62;
    color: var(--on-paper-dim);
    max-width: 62ch;
}
.sec--ink .lede, .hero .lede, .cta .lede, .phead .lede { color: var(--on-ink-dim); }

.mono {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.04em;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding-inline: var(--gutter);
    position: relative;
}

.sec {
    padding-block: var(--pad);
    position: relative;
}
.sec--ink {
    background: var(--ink);
    color: var(--on-ink);
}
.sec--paper2 { background: var(--paper-2); }

/* Hairline drafting rails — the structural signature */
.rails {
    position: absolute;
    inset: 0;
    pointer-events: none;
    max-width: var(--max);
    margin: 0 auto;
    padding-inline: var(--gutter);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    z-index: 0;
}
.rails span {
    border-left: 1px solid var(--rule-paper-soft);
}
.rails span:last-child { border-right: 1px solid var(--rule-paper-soft); }
.sec--ink .rails span { border-color: var(--rule-ink-soft); }
.sec--ink .rails span:last-child { border-color: var(--rule-ink-soft); }

.sec > .wrap { z-index: 1; }

.sec-head { margin-bottom: clamp(40px, 5vw, 68px); max-width: 780px; }
.sec-head .eyebrow { margin-bottom: 22px; }
.sec-head .lede { margin-top: 22px; }

.g2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }

/* ============================================================
   Buttons — sharp, no gradient, no glow
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 26px;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
    cursor: pointer;
    white-space: nowrap;
}
.btn svg { transition: transform .3s var(--ease); flex: none; }
.btn:hover svg { transform: translateX(4px); }

.btn--fill { background: var(--signal); color: #fff; }
.btn--fill:hover { background: var(--ink); }

.btn--line { border-color: var(--rule-paper); color: var(--on-paper); }
.btn--line:hover { border-color: var(--on-paper); background: var(--on-paper); color: var(--paper); }

/* Ink surfaces — every dark section, not just .sec--ink */
.sec--ink .btn--fill,
.hero .btn--fill,
.cta .btn--fill,
.phead .btn--fill { background: var(--on-ink); color: var(--ink); }
.sec--ink .btn--fill:hover,
.hero .btn--fill:hover,
.cta .btn--fill:hover,
.phead .btn--fill:hover { background: var(--signal-ink); color: #fff; }

.sec--ink .btn--line,
.hero .btn--line,
.cta .btn--line,
.phead .btn--line { border-color: var(--rule-ink); color: var(--on-ink); }
.sec--ink .btn--line:hover,
.hero .btn--line:hover,
.cta .btn--line:hover,
.phead .btn--line:hover { background: var(--on-ink); color: var(--ink); border-color: var(--on-ink); }

.btn--sm { padding: 11px 18px; font-size: 11px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   Navigation
   ============================================================ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 900;
    background: rgba(12,13,15,0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--rule-ink-soft);
    transition: border-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--rule-ink); }

.nav-in {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 26px; height: 26px; }
.brand-name {
    font-family: var(--display);
    font-variation-settings: 'wdth' 110, 'wght' 700;
    font-size: 17px;
    letter-spacing: -0.02em;
    color: var(--on-ink);
}

.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-link {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--on-ink-dim);
    padding: 8px 14px;
    position: relative;
    transition: color .2s;
}
.nav-link:hover { color: var(--on-ink); }
.nav-link.is-active { color: var(--on-ink); }
.nav-link.is-active::after {
    content: '';
    position: absolute;
    left: 14px; right: 14px; bottom: 0;
    height: 1px;
    background: var(--signal-ink);
}

.nav-cta {
    background: var(--on-ink);
    color: var(--ink);
    padding: 11px 18px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-left: 10px;
    transition: background .25s var(--ease), color .25s var(--ease);
}
.nav-cta:hover { background: var(--signal-ink); color: #fff; }

.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span {
    position: absolute;
    left: 9px; right: 9px;
    height: 1.5px;
    background: var(--on-ink);
    transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
    background: var(--ink);
    color: var(--on-ink);
    padding-top: 148px;
    padding-bottom: clamp(56px, 7vw, 96px);
    position: relative;
    overflow: hidden;
}

.hero-flag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--on-ink-dim);
    border: 1px solid var(--rule-ink);
    padding: 8px 14px;
    margin-bottom: 34px;
}
.hero-flag i {
    width: 6px; height: 6px;
    background: var(--live);
    display: block;
    flex: none;
}

.hero h1 { margin-bottom: 28px; }
.hero h1 em {
    font-style: normal;
    color: #7E838A;
    font-variation-settings: 'wdth' 100, 'wght' 500;
}

.hero-lede { max-width: 58ch; margin-bottom: 38px; }

.hero-note {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--on-ink-faint);
    margin-top: 22px;
}

/* --- Signature: routing schematic --- */
.schematic {
    margin-top: clamp(44px, 5vw, 64px);
    border-top: 1px solid var(--rule-ink);
    padding-top: 26px;
}
.schematic-cap {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--on-ink-faint);
    margin-bottom: 22px;
}
.schematic-scroll { overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; }
.schematic svg { width: 100%; height: auto; overflow: visible; display: block; }
@media (max-width: 900px) {
    .schematic svg { min-width: 860px; }
    .schematic-scroll { padding-bottom: 12px; }
}

.sch-wire { stroke: var(--rule-ink); stroke-width: 1; fill: none; }
.sch-box  { fill: none; stroke: rgba(244,245,241,0.28); stroke-width: 1; }
.sch-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    fill: var(--on-ink-dim);
    text-transform: uppercase;
}
.sch-sub {
    font-family: var(--mono);
    font-size: 8px;
    letter-spacing: 0.06em;
    fill: var(--on-ink-faint);
}
.sch-out { stroke: var(--signal-ink); }
.sch-out-fill { fill: var(--signal-ink); }
.sch-pulse { fill: var(--signal-ink); }
.sch-drop { fill: var(--on-ink-faint); }

/* ============================================================
   Stack strip
   ============================================================ */
.strip {
    background: var(--ink-2);
    border-top: 1px solid var(--rule-ink-soft);
    padding: 26px 0;
    overflow: hidden;
}
.strip-in {
    max-width: var(--max);
    margin: 0 auto;
    padding-inline: var(--gutter);
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.strip-label {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-ink-faint);
    flex: none;
}
.strip-items { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.strip-items span {
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--on-ink-dim);
    letter-spacing: 0.02em;
}

/* ============================================================
   Spec cards (system components)
   ============================================================ */
.specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--rule-paper);
    border: 1px solid var(--rule-paper);
}
.spec {
    background: var(--paper);
    padding: 34px 30px 30px;
    transition: background .3s var(--ease);
}
.spec:hover { background: var(--paper-2); }

.spec-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}
.spec-ref {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--on-paper-faint);
}
.spec-icon { color: var(--signal); }

.spec h3 { margin-bottom: 12px; }
.spec p {
    font-size: 14.5px;
    line-height: 1.62;
    color: var(--on-paper-dim);
    margin-bottom: 24px;
}

.spec-table { border-top: 1px solid var(--rule-paper-soft); }
.spec-row {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 9px 0;
    border-bottom: 1px solid var(--rule-paper-soft);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.02em;
}
.spec-row b { font-weight: 400; color: var(--on-paper-faint); flex: none; }
.spec-row span { color: var(--on-paper); text-align: right; }

/* ============================================================
   Problem list
   ============================================================ */
.probs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--rule-ink-soft);
    border-block: 1px solid var(--rule-ink-soft);
}
.prob {
    background: var(--ink);
    padding: 32px 26px;
}
.prob-icon { color: var(--on-ink-faint); margin-bottom: 22px; }
.prob h3 { margin-bottom: 10px; }
.prob p { font-size: 14px; line-height: 1.6; color: var(--on-ink-dim); }

/* ============================================================
   Rollout timeline
   ============================================================ */
.roll { border-top: 1px solid var(--rule-paper); }
.roll-row {
    display: grid;
    grid-template-columns: 150px 1fr 240px;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--rule-paper);
    align-items: start;
    transition: background .3s var(--ease);
}
.roll-row:hover { background: var(--paper-2); }

.roll-win {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--signal);
    padding-top: 3px;
}
.roll-body h3 { margin-bottom: 10px; }
.roll-body p { font-size: 14.5px; line-height: 1.62; color: var(--on-paper-dim); max-width: 56ch; }

.roll-out {
    font-family: var(--mono);
    font-size: 11px;
    line-height: 1.65;
    color: var(--on-paper-faint);
    border-left: 1px solid var(--rule-paper);
    padding-left: 20px;
}
.roll-out b {
    display: block;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 9.5px;
    margin-bottom: 7px;
    color: var(--on-paper-faint);
    opacity: .75;
}

/* ============================================================
   Principles / commitments
   ============================================================ */
.tiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--rule-paper);
    border: 1px solid var(--rule-paper);
}
.tile {
    background: var(--paper);
    padding: 32px 26px;
    transition: background .3s var(--ease);
}
.tile:hover { background: var(--paper-2); }
.tile-icon { color: var(--signal); margin-bottom: 22px; }
.tile h3 { margin-bottom: 10px; }
.tile p { font-size: 14px; line-height: 1.62; color: var(--on-paper-dim); }

.tile-num {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--on-paper-faint);
    margin-bottom: 20px;
    display: block;
}
.sec--ink .tiles { background: var(--rule-ink-soft); border-color: var(--rule-ink-soft); }
.sec--ink .tile { background: var(--ink); }
.sec--ink .tile:hover { background: var(--ink-2); }
.sec--ink .tile p { color: var(--on-ink-dim); }
.sec--ink .tile-num { color: var(--on-ink-faint); }
.sec--ink .tile-icon { color: var(--signal-ink); }

/* ============================================================
   Team
   ============================================================ */
.team {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--rule-paper);
    border: 1px solid var(--rule-paper);
}
.member {
    background: var(--paper);
    padding: 34px 30px;
    display: flex;
    flex-direction: column;
    transition: background .3s var(--ease);
}
.member:hover { background: var(--paper-2); }

.member-mark {
    width: 54px; height: 54px;
    border: 1px solid var(--on-paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--display);
    font-variation-settings: 'wdth' 110, 'wght' 700;
    font-size: 17px;
    letter-spacing: 0.02em;
    margin-bottom: 26px;
}
.member h3 { margin-bottom: 5px; }
.member-role {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--signal);
    margin-bottom: 18px;
}
.member p {
    font-size: 14px;
    line-height: 1.62;
    color: var(--on-paper-dim);
    margin-bottom: 24px;
    flex: 1;
}
.member-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-paper);
    border-top: 1px solid var(--rule-paper-soft);
    padding-top: 18px;
    transition: color .2s;
}
.member-link:hover { color: var(--signal); }
.member-link svg { transition: transform .25s var(--ease); }
.member-link:hover svg { transform: translate(2px,-2px); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { border-top: 1px solid var(--rule-paper); max-width: 900px; }
.faq-item { border-bottom: 1px solid var(--rule-paper); }
.faq-q {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 26px 0;
    text-align: left;
    font-family: var(--display);
    font-variation-settings: 'wdth' 106, 'wght' 600;
    font-size: clamp(16px, 1.8vw, 19px);
    letter-spacing: -0.01em;
    line-height: 1.3;
    transition: color .2s;
}
.faq-q:hover { color: var(--signal); }
.faq-sign {
    flex: none;
    width: 18px; height: 18px;
    position: relative;
    margin-top: 4px;
}
.faq-sign::before, .faq-sign::after {
    content: '';
    position: absolute;
    background: currentColor;
    transition: transform .3s var(--ease);
}
.faq-sign::before { left: 0; right: 0; top: 8.5px; height: 1px; }
.faq-sign::after  { top: 0; bottom: 0; left: 8.5px; width: 1px; }
.faq-item.is-open .faq-sign::after { transform: scaleY(0); }

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s var(--ease);
}
.faq-a p {
    font-size: 15px;
    line-height: 1.68;
    color: var(--on-paper-dim);
    max-width: 68ch;
    padding-bottom: 28px;
}

/* ============================================================
   CTA band
   ============================================================ */
.cta { background: var(--ink); color: var(--on-ink); padding-block: clamp(72px, 9vw, 120px); }
.cta h2 { margin-bottom: 24px; }
.cta .lede { margin-bottom: 36px; }
.cta-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 32px;
    margin-top: 34px;
    padding-top: 26px;
    border-top: 1px solid var(--rule-ink-soft);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--on-ink-faint);
}

/* ============================================================
   Page header
   ============================================================ */
.phead {
    background: var(--ink);
    color: var(--on-ink);
    padding-top: 136px;
    padding-bottom: clamp(48px, 6vw, 78px);
}
.crumb {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--on-ink-faint);
    margin-bottom: 28px;
}
.crumb a { transition: color .2s; }
.crumb a:hover { color: var(--on-ink); }
.phead h1 { margin-bottom: 24px; }

/* ============================================================
   Forms
   ============================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }

.label {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--on-paper-faint);
}
.input {
    width: 100%;
    padding: 14px 16px;
    background: var(--paper-2);
    border: 1px solid var(--rule-paper);
    color: var(--on-paper);
    font-family: var(--body);
    font-size: 15px;
    transition: border-color .2s, background .2s;
}
.input::placeholder { color: var(--on-paper-faint); }
.input:focus {
    outline: none;
    border-color: var(--signal);
    background: #fff;
}
textarea.input { resize: vertical; min-height: 130px; }
select.input {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--on-paper-dim) 50%), linear-gradient(135deg, var(--on-paper-dim) 50%, transparent 50%);
    background-position: calc(100% - 20px) 21px, calc(100% - 14px) 21px;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 42px;
}

/* Contact info list */
.info-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid var(--rule-paper-soft);
    font-family: var(--mono);
    font-size: 12px;
}
.info-row b { font-weight: 400; color: var(--on-paper-faint); letter-spacing: 0.1em; text-transform: uppercase; font-size: 10.5px; }
.info-row span, .info-row a { text-align: right; }
.info-row a { border-bottom: 1px solid var(--rule-paper); transition: color .2s, border-color .2s; }
.info-row a:hover { color: var(--signal); border-color: var(--signal); }

/* Calendly */
.cal-frame {
    border: 1px solid var(--rule-paper);
    background: var(--paper-2);
    padding: 6px;
}

/* ============================================================
   Playbook page — sequence teardown
   ============================================================ */
.seq { border-top: 1px solid var(--rule-paper); }
.seq-step {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 32px;
    padding: 30px 0;
    border-bottom: 1px solid var(--rule-paper);
}
.seq-meta {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-paper-faint);
    line-height: 1.8;
}
.seq-meta b { display: block; color: var(--signal); font-weight: 400; }
.seq-body h3 { margin-bottom: 12px; }
.seq-body p { font-size: 14.5px; line-height: 1.65; color: var(--on-paper-dim); max-width: 62ch; }

.sample {
    background: var(--ink);
    color: var(--on-ink);
    padding: 26px 28px;
    margin-top: 20px;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.75;
    max-width: 62ch;
}
.sample-h {
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-ink-faint);
    padding-bottom: 14px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--rule-ink-soft);
}
.sample em { font-style: normal; color: var(--signal-ink); }

.compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--rule-paper);
    border: 1px solid var(--rule-paper);
}
.compare > div { background: var(--paper); padding: 30px 28px; }
.compare h4 {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 500;
}
.compare-bad h4 { color: var(--on-paper-faint); }
.compare-good h4 { color: var(--signal); }
.compare ul { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.compare li {
    font-size: 14px;
    line-height: 1.55;
    color: var(--on-paper-dim);
    padding-left: 22px;
    position: relative;
}
.compare li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--on-paper-faint);
    font-family: var(--mono);
}
.compare-good li::before { content: '+'; color: var(--signal); }

/* ============================================================
   Footer
   ============================================================ */
.foot {
    background: var(--ink);
    color: var(--on-ink);
    padding-top: 68px;
    border-top: 1px solid var(--rule-ink-soft);
}
.foot-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
}
.foot-desc {
    font-size: 14px;
    line-height: 1.65;
    color: var(--on-ink-dim);
    max-width: 34ch;
    margin: 20px 0 24px;
}
.foot h4 {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-ink-faint);
    margin-bottom: 20px;
    font-weight: 500;
}
.foot ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.foot ul a {
    font-size: 13.5px;
    color: var(--on-ink-dim);
    transition: color .2s;
}
.foot ul a:hover { color: var(--on-ink); }

.foot-social {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-ink-dim);
    border: 1px solid var(--rule-ink);
    padding: 9px 14px;
    transition: border-color .2s, color .2s;
}
.foot-social:hover { color: var(--on-ink); border-color: var(--on-ink); }

.foot-bar {
    border-top: 1px solid var(--rule-ink-soft);
    padding: 22px 0 26px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.05em;
    color: var(--on-ink-faint);
}

/* ============================================================
   Cookie banner
   ============================================================ */
.cookie {
    position: fixed;
    right: var(--gutter);
    bottom: 20px;
    z-index: 1000;
    max-width: 400px;
    background: var(--ink-2);
    border: 1px solid var(--rule-ink);
    color: var(--on-ink);
    padding: 22px 24px;
    transform: translateY(140%);
    transition: transform .5s var(--ease);
}
.cookie.is-shown { transform: translateY(0); }
.cookie h5 {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-ink-faint);
    margin-bottom: 12px;
    font-weight: 500;
}
.cookie p { font-size: 13px; line-height: 1.6; color: var(--on-ink-dim); margin-bottom: 18px; }
.cookie p a { color: var(--on-ink); border-bottom: 1px solid var(--rule-ink); }
.cookie-btns { display: flex; gap: 10px; }
.cookie .btn { flex: 1; justify-content: center; }
.cookie .btn--fill { background: var(--on-ink); color: var(--ink); }
.cookie .btn--line { border-color: var(--rule-ink); color: var(--on-ink); }
.cookie .btn--line:hover { background: var(--on-ink); color: var(--ink); }

/* ============================================================
   Reveal on scroll — restrained
   ============================================================ */
.rv {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.rv.is-in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .specs, .team { grid-template-columns: repeat(2, 1fr); }
    .probs, .tiles { grid-template-columns: repeat(2, 1fr); }
    .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .roll-row { grid-template-columns: 130px 1fr; }
    .roll-out { grid-column: 2; border-left: none; padding-left: 0; border-top: 1px solid var(--rule-paper); padding-top: 14px; }
    .rails { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    .nav-links {
        position: fixed;
        top: 68px; left: 0; right: 0;
        background: var(--ink);
        border-bottom: 1px solid var(--rule-ink);
        flex-direction: column;
        align-items: stretch;
        padding: 12px var(--gutter) 28px;
        gap: 0;
        transform: translateY(-130%);
        transition: transform .4s var(--ease);
        max-height: calc(100vh - 68px);
        overflow-y: auto;
    }
    .nav-links.is-open { transform: translateY(0); }
    .nav-link { padding: 16px 0; border-bottom: 1px solid var(--rule-ink-soft); font-size: 14px; }
    .nav-link.is-active::after { left: 0; right: auto; width: 20px; }
    .nav-cta { margin: 20px 0 0; text-align: center; justify-content: center; display: block; }
    .nav-toggle { display: block; }

    .g2, .g3, .g4, .form-grid, .compare { grid-template-columns: 1fr; }
    .specs, .team, .probs, .tiles { grid-template-columns: 1fr; }
    .seq-step { grid-template-columns: 1fr; gap: 16px; }
    .roll-row { grid-template-columns: 1fr; gap: 14px; }
    .roll-out { grid-column: 1; }
    .cookie { left: 16px; right: 16px; max-width: none; }
    .schematic-cap { flex-direction: column; gap: 6px; }
}

@media (max-width: 560px) {
    .foot-grid { grid-template-columns: 1fr; gap: 34px; }
    .hero { padding-top: 124px; }
    .btn { width: 100%; justify-content: center; }
    .btn-row { flex-direction: column; }
    .info-row { flex-direction: column; gap: 6px; }
    .info-row span, .info-row a { text-align: left; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .rv { opacity: 1; transform: none; }
}

/* ============================================================
   Legal pages
   ============================================================ */
.legal { padding-block: clamp(56px, 7vw, 92px); }
.legal-in { max-width: 760px; margin: 0 auto; padding-inline: var(--gutter); }
.legal-date {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-paper-faint);
    padding-bottom: 26px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--rule-paper);
}
.legal-in h2 {
    font-family: var(--display);
    font-variation-settings: 'wdth' 108, 'wght' 700;
    font-size: 20px;
    letter-spacing: -0.015em;
    margin: 44px 0 12px;
}
.legal-in h2:first-of-type { margin-top: 0; }
.legal-in p, .legal-in li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--on-paper-dim);
    margin-bottom: 14px;
}
.legal-in ul { padding-left: 22px; }
.legal-in li { margin-bottom: 9px; }
.legal-in a { color: var(--signal); border-bottom: 1px solid rgba(30,54,240,0.3); }
.legal-in a:hover { border-bottom-color: var(--signal); }

/* 404 */
.nf { min-height: 62vh; display: flex; align-items: center; padding-block: clamp(80px,10vw,140px); }
.nf-code {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--signal);
    margin-bottom: 24px;
}